#B9EC57#B9EC57

#B9EC57 is a very light, vivid yellow-green. Relative luminance 0.710; OKLCH L 87.9% C 0.183 H 126.1°. Best body text is #000000 at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#B9EC57
RGB	rgb(185, 236, 87)
HSL	hsl(81, 80%, 63%)
HSV	hsv(81, 63%, 93%)
CMYK	cmyk(21.6%, 0%, 63.1%, 7.5%)
CIE-LAB	lab(87.48, -37.83, 64.74)
CIE-LCH	lch(87.48, 74.98, 120.30°)
OKLab	oklab(87.92% -0.108 0.1482)
OKLCH	oklch(87.92% 0.183 126.1)
XYZ	xyz(51.7235, 70.9926, 19.9929)
Luminance	0.7099 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B9EC57 #8A57EC

analogous

#ECD457 #B9EC57 #6EEC57

triadic

#B9EC57 #57B9EC #EC57B9

tetradic

#B9EC57 #57ECD4 #8A57EC #EC576E

square

#B9EC57 #57ECD4 #8A57EC #EC576E

split-complementary

#B9EC57 #576EEC #D457EC

monochromatic

#7EB414 #A2E620 #B9EC57 #D0F28E #E7F8C5

Accessibility & contrast

On white

1.38

#B9EC57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.20

#B9EC57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9EC57

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B9EC57	#FFFFFF	#000000	##000000
##B9EC57	1.00	1.38	15.20	15.20
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.20	21.00	1.00	1.00
##000000	15.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DD44

Deuteranopia (green-blind)

#F1DA62

Tritanopia (blue-blind)

#C0E2CD

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #b9ec57;
/* rgb */ color: rgb(185, 236, 87);
/* oklch */ color: oklch(87.9% 0.183 126.1);

Tailwind

colors: {
  custom: {
    50: '#d1f28d',
    500: '#b9ec57',
    950: '#000000',
  },
}

SCSS

$custom: #b9ec57;
$custom-light: #d1f28d;
$custom-dark: #000000;

JSON

{
  "hex": "#b9ec57",
  "rgb": {
    "r": 185,
    "g": 236,
    "b": 87
  },
  "hsl": {
    "h": 80.537,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.87916,
    "c": 0.18338,
    "h": 126.1
  },
  "luminance": 0.70993
}

Semantic roles & 50–950 ramp

primary

#B9EC57

secondary

#5F33B4

accent

#0ADC52

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B9EC57

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →